From patchwork Fri Jun 18 06:14:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 464139 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2839C49EA4 for ; Fri, 18 Jun 2021 06:16:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C89E06112D for ; Fri, 18 Jun 2021 06:16:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233564AbhFRGSz (ORCPT ); Fri, 18 Jun 2021 02:18:55 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:47242 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233129AbhFRGRz (ORCPT ); Fri, 18 Jun 2021 02:17:55 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id BE6541FDF4; Fri, 18 Jun 2021 06:15:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1623996926; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=69VkPmomv6jEhRvNGak5sOcsu55PwvFOz0PO27Q7kMM=; b=nWEn5nWD/exF1e7gVvIYwi4GnvkXfwFvEVittcxcAnPVh2uOSYtRlbJDOYFSa/gBsdE9C4 ntRnNTz18zAGhoaZsUlbPv+a9ZivJ4dqusrq+0KGfa3ywpGPrC8TcupqHebC0ty0MC4oAM 5ta5KLkFVx1JeKDt3xlvWTUommq6wPA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1623996926; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=69VkPmomv6jEhRvNGak5sOcsu55PwvFOz0PO27Q7kMM=; b=KMgAtb1xCMMfrsnJLx4GDT0YMS1VODpi2GAI2N31QlgiDPA+n8GBb8hgGTpf/B88SsR2vY /nnwRys/MCxgGbDg== Received: from localhost.localdomain (unknown [10.100.208.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id A12C8A3B9D; Fri, 18 Jun 2021 06:15:26 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 45/70] mxser: pci, switch to managed resources Date: Fri, 18 Jun 2021 08:14:51 +0200 Message-Id: <20210618061516.662-46-jslaby@suse.cz> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210618061516.662-1-jslaby@suse.cz> References: <20210618061516.662-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Switch to managed resources for PCI using pcim_enable_device. Regions and device disabling is now taken care of by the core and we need not unwind. Neither in ->probe, nor in ->remove. That simplifies the code. Signed-off-by: Jiri Slaby --- drivers/tty/mxser.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 196750676400..be58ee025180 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1978,7 +1978,7 @@ static int mxser_probe(struct pci_dev *pdev, mxser_cards[ent->driver_data].name, pdev->bus->number, PCI_SLOT(pdev->devfn)); - retval = pci_enable_device(pdev); + retval = pcim_enable_device(pdev); if (retval) { dev_err(&pdev->dev, "PCI enable failed\n"); goto err; @@ -1988,7 +1988,7 @@ static int mxser_probe(struct pci_dev *pdev, ioaddress = pci_resource_start(pdev, 2); retval = pci_request_region(pdev, 2, "mxser(IO)"); if (retval) - goto err_dis; + goto err; brd->info = &mxser_cards[ent->driver_data]; for (i = 0; i < brd->info->nports; i++) @@ -2007,7 +2007,7 @@ static int mxser_probe(struct pci_dev *pdev, /* mxser_initbrd will hook ISR. */ retval = mxser_initbrd(brd); if (retval) - goto err_rel3; + goto err_zero; for (i = 0; i < brd->info->nports; i++) { tty_dev = tty_port_register_device(&brd->ports[i].port, @@ -2028,13 +2028,8 @@ static int mxser_probe(struct pci_dev *pdev, for (i = 0; i < brd->info->nports; i++) tty_port_destroy(&brd->ports[i].port); free_irq(brd->irq, brd); -err_rel3: - pci_release_region(pdev, 3); err_zero: brd->info = NULL; - pci_release_region(pdev, 2); -err_dis: - pci_disable_device(pdev); err: return retval; } @@ -2051,9 +2046,6 @@ static void mxser_remove(struct pci_dev *pdev) free_irq(brd->irq, brd); - pci_release_region(pdev, 2); - pci_release_region(pdev, 3); - pci_disable_device(pdev); brd->info = NULL; }